<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"
             xmlns:g="urn:import:com.google.gwt.user.client.ui"
>
    <g:HTMLPanel>
        <center>
            <h1>Oops!, Something goes wrong.</h1>
            <g:InlineHTML ui:field="message"/>
        </center>
    </g:HTMLPanel>
</ui:UiBinder>